marshall



Nov. 8, 1932, c. D. MARSHALL 1,886,892'

MECHANISM FOR RIVETING COLUMNS, BEAMS, ETC

l 4 sheets-sheet 1 Filed Nov. 30, 1926 siflr Il-;

s i." L pmV .m12 l: r :rih R @w N@ l. lllllmmllllllllllp j. n |04| o uw, MH wi w Nov. 8, 1932.

c. D. MARSHALL MECHANISM FOR RIVETING COLUMNS, BEAMS', ETC

Filed Nov. 50 1926 4 Sheets-Sheet 2 Nov. 8, 1932. c. D. MARSHALLMECHANISM FOR RIVETING COLUMNS, BEAMS, ETC

Filed NOV. 50, 1926 4 Sheets-Sheetl 5' im@ LANL Nm NN .NH Nw Nw ATTORNEYNow 8, 1932. c. D. MARSHALL 1,886,892

MECHANISM FOR RIVETING COLUMNS, BBAMS, ETC

Filed Nov. 30, 1926 4 Sheets-Sheet 4 6 IN VEN TOR ,Aga-#Kw4 ATTORNEY'Patented'NvQ 1932 l i.

Y ACHARLES* D. "oiatPI'irvsBURcrH, PENNSYLVAN,"Assrdiron; ifoiiilcniivmi@ MARSHALL conPonA'rIon; onBETHLEHEM;PENNSYLVANIAQL'ConPonAmroNon MEcHANIsMI roza" Lmvnfriiniconm/ins; L Y `V Thisinvention relatesito new and imprpved mechanism forriveting columns, beams,u.and other metallic structural shapes andmembers. Rivetingof beams andV other structuraly -shapes, as' heretcorepracticed, has been a i slow, troublesome, and costlyloperation, re-

',quiring .the services ofrquite apnumberoi forgiliandling; the Work and;manipulatingthe apparatus. y,

operators f" f Among the `objects-iciA thepresentjinvention are, tprovide .a nswiandmnrwed mechanism for riveting. members-.0f theCharacter specified,.- including. a riveter adjustably l'kmounted.toienable it to bereadily moved into Y o ranged andassembledforefecting successive steps inthe riveting operation..`

the desired operativepositie-ns; to provide simple and eiflcent meansforfpositioning f' and holdingv the p uwork 'relatively` toV the'riveter; and yto Yprovide means effectingI an adjustment oftheoperatingpartsand the,y

manipulation thereof operable means `ark [A still further ob'ect'of thepresent vention is toprov-idea riveting mechanism thatis capable ofdrivingthe rivets either lcold `or heated, and-at a considerablesaving Yover. the old lmethods, and a mechanismcf is ajdiagrammatic plan .viewkofga Fig. 2, a side elevational View; f

- Fig. `s, a Cleaned sind@ elevational viera/,-

' particularly showing the riveter,'the.manner Aoff mounting the riveteron ,a turntable, and the :iiuid `actuated* mechanism for. operatingvaricns parts vof theiapparatus ;l f

Fig.y 4, a detail View particularly showing the means torr`kraisingjandj kloweringthe v riveterrelativelyvto the work;v

Fig'. 5, a part plan and va part sectional View, the sectionl beingtakenon line' V-`V l lof Fig'. 7;

Fig. 6, a4 detail vertical sectional View, the

"section bein g taken on line VI-Vlcf Fig, 5; f Fig. a detailfverticalsectionallview, the

section being take A ,Y Fig. 18, flarly showing means for shifting theIIOYble frame', .on which'tlnv riveter' iscarried, on' itssuppQrtingtabIe; "fff 9, a. part end elevationalx'iew and aj I the'fsection" being ltaken Ten?l line ,Y

vFigi 10,apart p n. tional view, showing" thev ,S'lifdy 119 grippermechaIiSHl--; f vAs` ilhist'rated 'and' as? prefelredfthefifnfadcor'blance [with myfinvenaqn annees fa iiveter' 5, designed to beusedfinconnection eiiijargd daan' new', partial-f i ypimfedrivetingniniechainsmx consumered.inA l:

lan Vle/Wanda ypart secwith`hydraulicipneumatic'means fforfactuat.' Y, 0t movingthe'riveter'into operativetpositions Vinggthe movable partsofthe riveterfand forrelative. tothe workinj 'f6 designates supporting''means position'edfin advance 'lof' Vthe riveter 5, and 7, correspondingmeanslocated fatfthe opposite side ofthe vriveter, fBothjofythe,said'SuptMating means@ and 7 'are shownv in the formj of laterallyadjustable whee'ls,

butothr supportiilsmans. 0r ta-bles' may' be mPlOyd-:Lplf f* Theriveterisvcarriedfon" a turnftableor. rotatable platform 8, said @platform w`8`being in tnrnmounted" 1onantiffriction bearingsv 9, disposedfn a lplatevstructure,f10 lcarried on la ysuitable ifoundation'11 'By mcunting'theriveter" oni'the"'turntable for "equiyailent,-l

means, j the riveter may Vbe,` rotated, Iso@ that itfmay Oper-atenten,-fQreXmPla-the 0P- posite side of:` a beam` assit is passed'through the-riveterffrom an opposite 'A direction; i n Inriveting: mechanisms of ythe 1 characterjspecified, it is of the utmost importance that means beprovided for enabling the,'rivet'elvy to be readily adjusted forriveting vmembers yvarying in ysize andv form, and, inthe con-krvstruction shown, Ihave providedimefans vfor, accomplishing the `saidadjustments; j "l j As illustrated,`the'riveter includes a yoke` shapedbody 'andis pivotally'mountedfona movable iframer 1,2;v This frame'isfsupported fon Wheelslkppositioned ona'trackon i' being mounted forvertical adjustment in c the movableframe 12 on. guides 16a.

, The riveter 5 is preferably mounted onits trunnions 16, through thearms 14, in such a manner as to be slightly tilted away from position, lprovide means including handv operated screw bars 33 and 34, screwthreadthe work A, while in inoperative position.

, Mounting the riveter in this way necessitates tilting it slightlyforward towards the work prior to performing the riveting operation. Anysuitable means may be utilized for tilt'- ing the riveter on its pivotpoints. As shown,

l have n provided' fluid operated `means includinga cylinder 17, apiston 18, a piston rod 19, and a flexible connection 20joining thepiston rod and the body portion of the riveter.

tThe piston is designed to be operated by means of a fluid conv-eyed tothecylinder17 through suitable connections hereinafter vd'5- scribed.The respective aws of the riveter 5' I are designed to carry an anvil orLdie 21', and an upsetting tool or hammer 22'.

Inu addition to the tool 22, one'jaw carries the toolactuating meansincluding a cylinder 23 and its fluid actuated plunger 24 operativelyseated therein. Plunger 24 of this mechanism is moved either up or..downjby fluid pressure conveyedl thereto inv a manner to Vbe hereinafterdescribed.V

, The riveter supporting frame 12 isadapted to be moved radially of theturn-table 8, andthe riveter being carried thereby will be moved.laterally of the work-A, or transversely of the mechanism. This lateralmovement relative to the work permits the riveter to l be shifted forthe purposel of taking care of may be revolved 180 degrees, as abovestated, .thereby bringing the riveter into operative staggered rows ofrivets 'and for other purposes. The actuating means `.for effecting thislateral movement are particularly shown the sectional detail view, Fig.7 and, asl there illustrated, include affluid cylinder 26 having meanshereinafter describedffor admitting Huid to opposite sides of a piston yhead 27 disposed in the cylinder 26; n Y Cylinder 26 is bolted orotherwise secured.

'. ,cross bars spanning the recess of the framev at points beyond theends of the cylinder,

and spaced from said cylinder to permit y movement of the frame ineitlier'd'irection of movement'of the piston. Y Air enters thecylinderi26 through a slide valve 2.9, the air inlet to the valve beingindicatedby numeral 29a; and `3,0 designates an exhaust opening vfromthe valve 2,9, see Fig. 8. The valve 29 is controlled by levers 31disposed' at opposite sides of the riveter, land the levers in turn allyof the work.

are connected by Vsuitable link connections,

as clearlyshown'in Figs. V2 and 3, to a valve vrod 32. Movement ofthepiston27 iny either the mechanism described provides for quicklymovingthe heavy apparatus to the position desired with a minimum ofexenditure of power and labor. y

ln order to stop the riveter at the desired .edv to oneofthe `members12a at one end of the framing 12, said screw bars being jourviialedVatone end in lugs on the cylinder casting. Bar has a shoulder 34aadapted to :pusliagainst a lug 35, and bar 34 has a head 35 adapted topull against a lug 37. f

ln addition to the lateral shifting, as just plane.' -'l"he`means forVeffecting this `vertical movement includescrew bars 38 journaledl iii"thefupperportion of the `fram-ing12 on opposite sides thereof; havingtheir lower ends threaded into the trunni'onmembersl. .The

upper end of eachscrew bar has secured thereto a pinion 39, andk saidpinions are arranged to mesh with a shaft "40a, see Fig. 7 L

' The shaft 40a is ldriven by a fFromthejforegoing, it will be notedthat lmeans'have been provided foradj'usting the "the riveter laterallytowards and away from the work.- -ltwill'be further noted that theriveter, `being mounted v on the `trium-table,

positionon the opposite side of the beam or .other structural memberbeing riveted.

"riveter `for effecting the riveting operation.

As shown, this construction comprises a gripper, designated generally bythe numeral 50, 1said gripper or. tong-like 'structure including a fixedjaw 51 and a movable jaw 52. The fixed jaw is secured toa carriage 58thelatter driveVv gear 40.0n a

c worm-41 and l Ia worm wheelv42, respectively, actuated by a hand cranky43.v

being designed tobe ino-ved by a sprocket and chain drive. In thisdriving means, I employ a chain 54 designed to cooperate with asprocketr wheel 55 mounted on a shaft 56 and. to be passed yover anidler wheel 57.

Said shaft or spindle 56 is adapted to be operatedby hand-wheels`58locatedat opposite sides ofthe machine.y The carriage 5B is mounted onwheels 59 adapted to'travel n on a suitable track 60 carried onstandards 61.

This'work gripper and its yoperating mechy anisin are particularly'shown by' Figs. 9 and of thedrawings,and by referring to these views,it will be lnoted that I have lprovided guide rollers 62 and' 63respectively, designed ,to@ prevent lateral shifting of the carriage 53or an upward ortilting movement thereof Vduring the travel of saidcarriage and during the pulling `strains to whichthe carriage issubjected. The movable jaw 52 is pivotally connected toy the fixed `iawat 64 `and yhas its inner end 65,' connected w'ith'anV adjusting time,

on Lsh fts yFor the purpose ofl supporting the work the desired positionwhile on'orkpassing over the" revolving table 8," I provide supporting`wheels 67 and- 68. These Awheels are carried* 69 supported by standards7 0 jmounted on the'turn-table.V Like 'the correspondingsupporting'imeans 6 and, they may be adjustedtowards and away lfrom thelongitudinal center of the machine.

In operation, the work, .indicated by the 'letter A', is placed inposition on thetable 6 andl ythen moved'up into `position to be l caughtby the gripper mechanism. After being engaged by this mechanism, anopera-f tor rotates operating wheels 58 to move the work` longitudinallyof the apparatus, until anundriven rivet is laterally opposite thecenterline of the dies 21 and 22.` At this the riveter 5V is at itsouter end of lateral travel on the turn-table, and is'also tiltedba'ckslightly away from the work. G'The riveter isfnext lmoved inwardly toly"ward the work by manipulating lever 31.

A movement of lever 31 will move al slide 29?; in valve structure 29(see Fig. 6), there- `:by 'connecting one of the ports 7 9, Fig. 7, withthejatmosphere through port 30. The

. 7 9 with the port 30 opens communication beact of priming either oneof the two ports tween the other port 79 and the main air supply pipe orheader 80 through a pipe 81.

"Valve structure l29 is ydesigned to operate so that one end of cylinder26 will, through port 30, be in communication with the atmosphere andits 'other end" in open Vcomn'iunicatior'i with the fluid from pipeconnection81, thus causing the piston totravel in its cylinder toactuate the movable frame 12 and bring the riveter'into such position that it maybe tilted bymoving operating lever 83.`r Moving lever 83 allowsluid to pass to cylinder 17' from the supply pipe or header 80 by way ofvalve 84 andpipes 85 and 86, thereby moving pis-y g ton 18 rupwardlyandthrough its operating connections tilting the riveter `with its diek21 into contactwith an undriven rivet.

Ain valves 88 and 89. These valves are lcon-` An. operator nextmanipulates lever 87. see lFig...3, vwhich produces a movement of slides.nected to theheader 80 through vline 89a.

Movement v'of the slideinvalve 88 connects tothe atmospherethroughline91 the upper Vportion 0i" vcyiinder 23, an'r air chamber in kaycylinder 23 andthe valves 92, 93 and' 95.

intof valve valve structure 92, andV f an `air chamber "in a valvestructure '93. Simultaneously with. the

movement ofthe slide'inl valve88, a. slide 'inv valvev89 ismoved,connectingto. the atmos-v It' will be understood, ofcourse, that,prior to the exhaustion just described, compressed air has beenXadmitted through line 911 to `The exhausting of thecomp'ressed air'in v`valvve`92 closedy ports in that yvalve, which ports connected acylinder 96 to the amosphere. Theexhausting ofthe compressed air 'atvalve 93 opened :ports in that valve, fperof the upperend of cylinder 98through valve 99, and thence' through a pipe l00intocyln-` der 23. Thisflow of oil produces an upward movement of 'f plunger 24, Acausing it torise the 'engagement vot" die 22 I f until VstoppedV by y against therivet.' Oil will continue ltoftend to flow to cylinder 23 :until itspressure becomes that of Jdie compressed "-ai'rf in` header '80, atwhich time, a plunger in-valve 99 moves so as'to'shuto that passageinvalve-99 which,

connects line 100 withcylinder 98. Move-l ment of the plunger inpvalve99actuatesv valve` 95 so as tol allow airrtor enter cylinder 96.

`C'om'lires'sed air entering cylinder 96`causes an upward vmovementofaspiston 101 therein 'and this movementof piston 101 through cyln inderr96 displaces oil y:trom a cylinder 102, through line v103, through valve99, through `line' 100, to cylinder-23,'lcausinfg the upsetting of therivet inthework f Y 'Cylinder 102 "istconnected to regulating 'valve104through pipe 105, and when the oilpressure in cylinder 102 issuiicient-to overcome the resistance ofy aspring loaded plunger 106 invalve 104, the plunger'y moves upward, actuating the slidexin valve 89,

thereby causing compressedairto 'flow from that valve to valve 95,closmgvalve95, and

thereby preventing ,anymore flow., ofv compressed air into'cylind`er.96.`l This immedi- ,1

ately stops movement? of plunger 24 and it will continueto staypresseda'gainst the rivet until the operatorreverses lever '87, thusreversing'the slide invalve 88, which will permit 'compressed 'air to'flow to`valve92, openl ing itl and exhausting the compressedair Vfromunder pison head 101. f

l The compressedair will, at the same time,

enter the upper ,partiof kcylinder 23,1through g "line 91, producing aforce upon plngerl 24,

thus movingk plunger 24-d'ownwardly and lViththe movement ofthe slideinvalvel88, compressed air-'also flows through line91Y to driving the oil"outof cylinderf23l back to 1311er@ through line' 94 Vand air chamber inlOuble valve 95. Y Y

"98 moves a piston upward and drives'oil 'out g5 Y lo .fill

.whichfpeimits the aforementioned plunger in .valveY 99l to drop back tosuch position as to cause Communication oit line 100 withr cylinder 98through valve 99, thus permitting the return of oil from cylinder 23 tocylinder 98. This completes automatically the proper driving oic therivet, andthe operator next reverses his formerly describedVmanipulations of levers 83 and 3l in Vorder to tilt the riveter oli' therivet. and move the riveter away from the work in order that the workmaybe moved so as to bring the next rivet in tion for being driven.v

The work is now moved through the maposicli-ine Auntil all rivetsaccessibleV from thatk position of the riveter are driven. rlhe work isthen moved stillv Jfurther along the tracks 60, until the workY is clearof the turn-table. The turn-table is next revolved, moving the iiveterto the opposite side of the work, after riveter and rivets driven, aspreviously described. i

lVhat I claim is l. In mechanism `for riveting structural metallicmembers as beams, columns,andfthe like, a turntable movable on avertical aXis,

a Viframe adjustably mounted on the turntable, an upstanding riveterpivotally mountedadjacent its lower end on the trame having awork-receiving opening in one side thereof, rivet-upsetting meanscarried by the riveter adjacent said opening, means for tilting theriveter, and means for supporting a structural member located adjacentthe riveter and including an element mounted on the turn-tablet 2. Inmechanism for riveting structural Y metallic members as beams, columns,and tie like, a horizontal vrotatable support, an upstanding rivetermounted adjacent its lower end on the support and having awork-receiving opening in one side thereof, rivet-upsetting meanscarried by the riveter adjacent said opening, work supporting means onthe support adjacent the riveter, power means for transversely movingthe riveter on the rotatable support, and means for moving the riveterin a vertical plane relative to the support.

3. In combination, a plurality of work'supports, a turntable, a rivetingmachine, said riveting machine and one of the supports being carried bysaid turntable, whereby the machine may be positioned on opposite sidesof work, the work support on the turntable being positioned foralinement -with the remainder of thework supports in both positions of.the turntable and riveting machine.

4. In combination, a plurality of work supports, a turntable, a rivetingmachine movable relativelylto the turntable, means norfmally maintainingthe riveting inachine'immovable relative to the turntable under fluidpressure, said riveting machine and one 'of the supports beingk carriedby the turntable, whereby tliemachine may be positioned on oppositesidesof work,'the work support on `the turntable beingpositioned foralinement with the remainder of the work supports in ports, a turntable,a riveting machine, said riveting .inacliine'aiid a pair of supportsbeing carried by said turntable, .the supports which the work is passedback `through the z of said pair being located on. opposite sides of andequidistantly spaced from the riveter, whereby the machine may bepositioned Von opposite sides of work, thework supports on ytheturntable being positioned Jfor alineinent twith, the remainder of thework supports in both positions of the turntable and riveting;V

machine.L j 7. In combination, a ,plurality otwork supports,`arturntable, a riveting machine,

said riveting machine and one of the supports being carried by saidturntable, whereby the;`

machine may be positioned on opposite sides oi the work, the worksupport on they turntable being positioned for alinement with theremainder of the work supports in both positions of the turntable andriveting machine,'f means mounting the riveting ymachine for tiltingmovement on a horizontal axis, andthe riveting machine having lawork-receiving vopening above said aXis. y

8; In combination, a plurality of work sup-v` ports, a turntable, ariveting machine, said riveting machine and one of the supports beingcarried by said turntable whereby the machine inay be positioned onopposite sides of work, the work support on the turntable beingpositioned for alinement with the remainder or' the work vsupports inyboth positions of the turntable and riveting machine, a frame movablelaterally on said turntable, means pivot-l ing the riveting machine on ahorizontal a-Xis to said frame, mechanism to adjust the last mentionedmeans and riveting machine in a vertical plane, said riveting machinehaving a work receiving opening and rivet upsetting` `sides of Work, thework support on the turntable being positioned for alinement with theremainder' of the work supports in both positions of the turntable andriveting machine, a frame movable laterally on said turntable, meanspivoting said yoke adjacent the lower end thereof to said frame fortilting-movement on a horizontal axis, an upsetting means carried by theyoke, and fluid pressure means `operable from a common source to operatethe ing operable to tilt the yoke and to automatically vary in relativeposition to compensate for adjustment of the said trunnion members. f Intestimony whereof I affix my signature.

CHARLES D. MARSHALL.

upsetting means and tol cause tilting movei ment of the yoke.

10. In combination, a plurality of work supports, a turntable, ariveting machine, said riveting machine and one of the supports beingcarried by said turntablewhereby the v machine may be positioned onopposite sides of Work, the work support on the turntable beingpositioned for alinement with the ref mainder of the work supports inboth positions of the turntable-and riveting machine,

y' two means constituting the sole support for the riveting machine, thefirst means comprising a pivotal connection, the second means comprisinga piston and cylinder operable to tilt the riveting machine, one of theparts of the second means being pivoted tothe riveting machine on anaxis parallel to the said pivotal connection.

. 11. In combination, a plurality of work supports, a turntable, ariveting machine comprising a yoke, said yoke having awork receivingopening and rivet-upsetting means at `one side thereof, said rivetingmachine being pivoted below said opening yto said turntable and one ofthe supports being carried by said turntable whereby-the machine may bepositioned on opposite sides of work, the

work vsupport on the'turntable being positioned for alinement with theremainder of able to move the yoke vertically, means operable to movethe yoke laterally, and a coacting piston member and cylinder memberoperable to tilt the yoke, one of said members being pivoted tothe yokeand the other member being carried by the turntable.

12. In a riveting machine, a supporting member, a yoke having dependingarms, trunnion members to which the arms are pivoted on a horizontalaxis, means located between the arms and operable to adjustably supportthe trunnion members, a cylinder carried by f said supporting member, apiston operable in said cylinder and pivotally connected to the yoke onan axis' parallel to the axis of said trunmon means, said piston andcylinderbe- `the work supports Yin both positions kof theturntable andriveting machine, means operf i to

